Storage drum insert



FIG. 1 is a top view of a storage drum insert showing my new design;

FIG. 2 is a bottom view of the storage drum insert thereof;

FIG. 3 is a side view of the storage drum insert thereof;

FIG. 4 is a sectional side view along line A-A of FIG. 1 of the storage drum insert thereof; and,

FIG. 5 is a perspective side of the storage drum insert thereof. 

CLAIM The ornamental design for a storage drum insert, as shown and described. 